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this is what code says:4 V! E2 P8 \+ T8 _( n
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
. i7 S* p+ C, l: y! r Acopper or aluminum
. E/ W( G5 b B4 W(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
" o0 ^6 J. ^ r( q) j. H2 uNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
2 V% F) u; C2 O3 j2 d) j0 w$ \2 dsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
! t2 D8 \8 x# r m; e( jalong the entire length of the conductor.* w" ]8 X9 {, S/ Z+ j
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
3 r9 P3 y$ z! s+ J1 iand the identified circuit conductor of one system is coloured by a white or grey covering, each identified# T) i% n' p8 f, r+ W; ?% w
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
' [: ^* f: t" W6 g; `& x1 b# Qidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not% }" y# k" P, O2 B- b, n
green) running along the insulation.
) @! [ y- u* Z4 m3 V) u) ~+ R1 h( [5 u(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of+ \9 D4 n' \, d: W6 G
an identified conductor; however, in the case of those flexible cords where the identified conductor is4 u! d' t% o' C2 _) H# m4 e
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
1 u$ g4 K g6 O. T) z$ y(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
7 X0 u% o2 c! V/ p1 l1 a, R8 V$ F% Eas the identified conductor by painting or other suitable means at every point where the separate
, s8 h8 @/ l. y4 aconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
7 K, H, n' U. F9 Hthe painting or other suitable means of marking the identified conductor shall not be permitted to render
! g% k- Y, k8 v5 V) ]2 L! P+ r: Killegible the manufacturer’s numbering of the conductor. |
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